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Design is not just about how something looks, but how it works.

The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.

If a man is proud of his wealth，he should not be praised until it is known how he employs it.

把（春秋末期晉國豪富）韓魏兩大家庭的財產附加給某個人，他仍然謙虛謹慎，那么他的品質就比一般人強太多了。